Add 98/90 and 20/9
1st number: 1 8/90, 2nd number: 2 2/9
98/90 + 20/9 is 149/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
98/90 = 98 × 1/90 × 1 = 98/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
20/9 = 20 × 10/9 × 10 = 200/90 - Add the two like fractions:
98/90 + 200/90 = 98 + 200/90 = 298/90 - 298/90 simplified gives 149/45
- So, 98/90 + 20/9 = 149/45
In mixed form: 314/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+40/9 98/90+20/18 98/90+60/9 98/90+20/27 98/90+20/45 98/90+20/63